SB2024123057 - Use-after-free in Linux kernel net
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123057
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-56658)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the LLIST_HEAD(), net_free() and cleanup_net() functions in net/core/net_namespace.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0f6ede9fbc747e2553612271bce108f7517e7a45
- https://git.kernel.org/stable/c/3267b254dc0a04dfa362a2be24573cfa6d2d78f5
- https://git.kernel.org/stable/c/6610c7f8a8d47fd1123eed55ba8c11c2444d8842
- https://git.kernel.org/stable/c/b7a79e51297f7b82adb687086f5cb2da446f1e40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67